Apex domains cannot have CNAME records.
Question and response
Question
dig redbullkickit.com. NS
Answer
redbullkickit.com. 5 NS ns-2021.awsdns-60.co.uk.
redbullkickit.com. 5 NS ns-1476.awsdns-56.org.
redbullkickit.com. 5 NS ns-1194.awsdns-21.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0